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From:   trondmy@kernel.org
To:     linux-nfs@vger.kernel.org
Subject: [PATCH 03/17] NFS: Mask out unsupported attributes in nfs_getattr()
Date:   Mon, 29 Mar 2021 20:18:21 -0400
Message-Id: <20210330001835.41914-4-trondmy@kernel.org>
In-Reply-To: <20210330001835.41914-3-trondmy@kernel.org>
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 <20210330001835.41914-2-trondmy@kernel.org>
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From: Trond Myklebust <trond.myklebust@hammerspace.com>

We don't currently support STATX_BTIME, so don't advertise it in the
return values for nfs_getattr().

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
---
 fs/nfs/inode.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 8de5b3b9da91..93f487c15663 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -815,6 +815,10 @@ int nfs_getattr(struct user_namespace *mnt_userns, const struct path *path,
 
 	trace_nfs_getattr_enter(inode);
 
+	request_mask &= ~(STATX_TYPE | STATX_MODE | STATX_NLINK | STATX_UID |
+			  STATX_GID | STATX_ATIME | STATX_MTIME | STATX_CTIME |
+			  STATX_INO | STATX_SIZE | STATX_BLOCKS);
+
 	if ((query_flags & AT_STATX_DONT_SYNC) && !force_sync) {
 		nfs_readdirplus_parent_cache_hit(path->dentry);
 		goto out_no_update;
-- 
2.30.2